Oral og intravenøs tranexamsyre ved lændehvirvelkirurgi
Et randomiseret kontrolleret forsøg med oral og intravenøs tranexamsyre i lændehvirvelkirurgi
The purpose of this project is to compare the effectiveness of two different but well accepted routes of administration of tranexamic acid in order to reduce blood loss and need for transfusion in patients undergoing lumbar spine surgery. Specifically, this study seeks to identify if intravenous tranexamic acid is superior to oral tranexamic acid in reducing blood loss and need for transfusion.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Spine surgery is associated with large amount of perioperative blood loss. Factors influencing blood loss include surgical technique, operative time, number of vertebral levels arthrodesed, and others. Significant blood loss is associated with complications such as hypotension, end organ damage, or coagulopathy. Blood transfusions can increase risks of infection, blood incompatibility, and allergic reactions. Due to the significant risks and complications associated with blood loss and allogenic transfusions, efforts to identify safe and effective ways of lowering blood loss during spine surgery are crucial. Many methods have been utilized to reduce allogenic blood transfusions, such as autologous blood predonation, antifibrinolytic drugs, acute normovolemic hemodilution, intraoperative blood salvage, and others. Furthermore, the administration of antifibrinolytics, such as tranexamic acid (TXA) and epsilon-aminocaproic acid (EACA), has been shown to reduce bleeding in cardiac, gynecological, urologic and total joint replacement surgeries. There have been many published studies investigating various antifibrinolytic agents such as TXA, EACA, and aprotinin. While aprotinin was shown to increase mortality rate in patients following cardiac surgery, TXA and EACA have not been shown to cause any substantial morbidity or to increase rate of thromboembolic events. Although IV TXA has been shown to be effective in reducing blood loss and transfusions in patients undergoing spine surgery, no studies in the literature have investigated the efficacy of PO TXA in decreasing blood loss and transfusions. The investigators believe that PO TXA will be just as efficacious and more cost-effective in reducing blood loss and transfusion needs in patients undergoing lumbar spine surgery.
The ultimate goal is identifying the most cost-effective protocol to decrease blood loss and need for transfusion. If oral TXA is found to be as efficacious as IV TXA in reducing blood loss and need for transfusion, significant cost savings can be achieved for the patient and the health care system in general.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 4
Kontakter og lokationer
Studiesteder
-
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Michigan
-
Detroit, Michigan, Forenede Stater, 48202
- Henry Ford Health System
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Adult patients over age 18 and scheduled for open lumbar spine surgery (primary or revision)
- Must be able to swallow tablets
Exclusion Criteria
- Known allergy to TXA
- History of renal failure or kidney transplant
- History of arterial thromboembolic event (eg. myocardial infarction, stroke) within the past year
- Placement of an arterial stent within the past year
- History of blood clots (DVT, PE) within the past year
- Refusal to receive blood products
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Aktiv komparator: Intravenous Tranexamic Acid
The IV TXA group will receive the standard dosing for our institution of 1 g TXA (diluted in 100 mL normal saline) given as an IV bolus immediately before incision and another 1 g TXA given before closure. |
To identify if intravenous tranexamic acid is superior to oral tranexamic acid in reducing blood loss and need for transfusion in lumbar spine surgery.
Andre navne:
|
|
Aktiv komparator: Oral Tranexamic Acid
The oral TXA group will receive 1950 mg TXA (3 tablets of 650 mg) approximately 2 hours before incision. |
To identify if intravenous tranexamic acid is superior to oral tranexamic acid in reducing blood loss and need for transfusion in lumbar spine surgery.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Post-operative Change in Hemoglobin Level Between the Two Groups
Tidsramme: Day of surgery up to 24 hours day after surgery
|
Day of surgery up to 24 hours day after surgery
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Post-operative Change of Blood Volume in Milliliters Between the Two Groups
Tidsramme: 1 day after surgery until 7 days after surgery
|
The total blood volume change is calculated in milliliters |
1 day after surgery until 7 days after surgery
|
|
Number of Participants Transfused Between the Two Groups
Tidsramme: 1 day after surgery until patient is discharged, up to 7 days
|
1 day after surgery until patient is discharged, up to 7 days
|
|
|
Number of Participants Experiencing a Thromboembolic Event Between the Two Groups
Tidsramme: 1 day after surgery until post operative visit 4 weeks after surgery
|
1 day after surgery until post operative visit 4 weeks after surgery
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Publikationer og nyttige links
Generelle publikationer
- Nadler SB, Hidalgo JH, Bloch T. Prediction of blood volume in normal human adults. Surgery. 1962 Feb;51(2):224-32. No abstract available.
- Good L, Peterson E, Lisander B. Tranexamic acid decreases external blood loss but not hidden blood loss in total knee replacement. Br J Anaesth. 2003 May;90(5):596-9. doi: 10.1093/bja/aeg111.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Anslået)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 10608
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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